Only one level of relations is supported

[alexisohayon]

How do you do a query that filters from few level of relations?

Specifically, I wrote this:

      const legs = await findQuery(Leg)
          .build({
            'eager': `[
              passengers, 
              flight.[airline, aircraft, via_airport,
                route.[outbound_origin, outbound_destination]
              ],
            ]`,
            'flight.route.organization_id': org.id,
            'flight.route.outbound_destination.iata_code': 'CDG'
          })     

Thanks!